linux-kernel - Re: [PATCH 0/5] make *_gate_vma accept mm_struct instead of task

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Date:	Wed, 9 Mar 2011 05:09:09 -0800
From:	Michel Lespinasse <walken@...gle.com>
To:	Stephen Wilson <wilsons@...rt.ca>
Cc:	x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux390@...ibm.com, Paul Mundt <lethal@...ux-sh.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
	linux-sh@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] make *_gate_vma accept mm_struct instead of task_struct

On Tue, Mar 8, 2011 at 4:31 PM, Stephen Wilson <wilsons@...rt.ca> wrote:
> Morally, the question of whether an address lies in a gate vma should be asked
> with respect to an mm, not a particular task.
>
> Practically, dropping the dependency on task_struct will help make current and
> future operations on mm's more flexible and convenient.  In particular, it
> allows some code paths to avoid the need to hold task_lock.

Reviewed-by: Michel Lespinasse <walken@...gle.com>

May I suggest ia32_compat instead of just compat for the flag name ?

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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